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Finding the Fourth Proportional to 607,282.09, 910,313.50 and 207,649.56

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Solution

The fourth proportional to 607,282.09, 910,313.50 and 207,649.56 is: 311,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,282.09 : 910,313.50 = 207,649.56 : x
  2. Step 2: Convert to fraction form
    607,282.09/910,313.50 = 207,649.56/x
  3. Step 3: Cross multiply
    607,282.09x = 910,313.50 × 207,649.56
  4. Step 4: Simplify right side
    607,282.09x = 189,026,197,737.06
  5. Step 5: Solve for x
    x = 189,026,197,737.06/607,282.09
  6. Step 6: Final answer
    x = 311,265.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.